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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why are accurate 308 loads slow
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<blockquote data-quote="startrek1761d" data-source="post: 898238" data-attributes="member: 32744"><p>If we accept that the 308 can be loaded within 100 fps of a 30/06 with bullets under 165 gr then why do we have to accept the fact that most of the accurate 308 bolt action loads move a 168/175 gr around 2550/2600 fps. I have several rifles in 308 , a 5R and M1A NM, but am starting to question why we must lose 250 fps to make the 308 accurate, IMR 4064, Varget and even FGM are all very slow in an accurate load based on published match loads with the exception of some of the old military match ammo. It would be nice if we could get the full velocity potential and accuracy out of the 308, no kidding I have Chrongraphed some 30/30 150 gr factory loads that match 42.5 grs of Varget with a 168 gr SMK in velocity. Granted the long range ballistics are not comparable but the muzzle energy is almost identical.</p></blockquote><p></p>
[QUOTE="startrek1761d, post: 898238, member: 32744"] If we accept that the 308 can be loaded within 100 fps of a 30/06 with bullets under 165 gr then why do we have to accept the fact that most of the accurate 308 bolt action loads move a 168/175 gr around 2550/2600 fps. I have several rifles in 308 , a 5R and M1A NM, but am starting to question why we must lose 250 fps to make the 308 accurate, IMR 4064, Varget and even FGM are all very slow in an accurate load based on published match loads with the exception of some of the old military match ammo. It would be nice if we could get the full velocity potential and accuracy out of the 308, no kidding I have Chrongraphed some 30/30 150 gr factory loads that match 42.5 grs of Varget with a 168 gr SMK in velocity. Granted the long range ballistics are not comparable but the muzzle energy is almost identical. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Why are accurate 308 loads slow
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